The turn signal is the most crucial light on your vehicle because it makes other drivers aware of your intentions.
Turn signal bulb purposeThe main purpose of the turn signal is to alert other drivers on the road which way you are going. The bulb allows the light to signal the direction you want to go to the other road users. The turn signal bulb is vital because without it others won't be able to tell if you want to turn or switch lanes. The turn signal must be kept in good working order to ensure your safety while on the road.
Common issues with a faulty turn signal bulbA defective turn signal bulb can lead to the bulb burning out, flickering, or others won't notice your turn signal.